Download Ambiguities in Decision-oriented Life Cycle Inventories: The by Frank Werner PDF

By Frank Werner

In an environmental existence cycle review of goods (LCA), an unambiguous, scientifically dependent, ‘objective’ attribution of fabric and effort flows to a product is natural fiction. this is often as a result of the basic epistemological stipulations of LCA as a modelling approach below the complexity of our socio-economic approach. as a substitute, quite a few psychological types and values consultant this attribution. This results in a practical version in a particular selection scenario. This e-book exhibits for the 1st time how psychological versions and values effect this attribution within the existence cycle stock step of LCA. one of many key findings is that the several administration principles for a sustainable use of fabrics has to be taken into consideration for the attribution of fabric and effort flows to a product. differently, development innovations advised by means of an LCA may possibly prove to even irritate the environmental state of affairs if reassessed from a meta-perspective. because of this ebook, the declare of unambiguitiy (‘objectivity’) of the existence cycle stock needs to be deserted. A group-model construction strategy for LCA is constructed that permits one to understand the choice makers' psychological versions and values within the stock research on a case- and situation-specific foundation. basically by way of this, LCA effects turns into proper in a decision-making strategy. case experiences at the modelling of recycling and different end-of-life techniques of aluminium home windows and beech wooden railway sleepers in LCA supplement the methodological half. This booklet is a ‘must have’ for researchers, experts and practitioners within the fields of decision-oriented lifestyles cycle overview in addition to product-related environmental administration, modelling and decision-making.

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Additional resources for Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values (Eco-Efficiency in Industry and Science)

Sample text

6). The allocation problem in LCA is a sub-problem of the attribution problem. The term allocation, however, is also used for other purposes, especially in economic theory with respect to the allocation of scarce resources. Ambiguity in the setting up of the product system requires the implicit or explicit application of mental models or value choices67. The influence of mental models and value choices on the attribution is a central aspect of this book, which is intensely discussed in Part III.

Several theses are formulated based on the introducing retrospective (Chap. 1) as initial position. The scientific approach relies on combining knowledge of different sciences to a substanciatable, intersubjectively comprehensible line of reasoning. These theses also allow the reader a ‘guided’ reading: Thesis I: The definition of a product system as attribution of material and energy flows to a product out of a complex reality cannot be made in an unambiguous way. e. the use of mental models and value choices.

Thesis IV: V Structural uncertainty (‘ignorance’) related to changes within the socio-economic system over time is a predominant aspect of modelling and allocation related to reuse & recycling in the life cycle inventory analysis. Attitude towards risk is an essential determinant of modelling and allocation related to reuse & recycling within LCA. 6 Structure of the book The following Figure 1-2 summarises the structure of the book; it consists of six parts. The numbers in brackets indicate the respective chapters.

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